Use "cat" to read from /proc
Use "cat" to read from /proc

When /bin/sh is "dash", the "read" shell builtin will read one byte at a time,
and /proc allows only one read before returning EOF.

wikimedia/operations-debs-varnish,wikimedia/operations-debs-varnish,wikimedia/operations-debs-varnish,wikimedia/operations-debs-varnish,wikimedia/operations-debs-varnish,ssm/pkg-varnish,ssm/pkg-varnish,ssm/pkg-varnish,ssm/pkg-varnish,ssm/pkg-varnish